Revert of [debugger] re-enable step in frame test. (patchset #1 id:1 of https://codereview.chromium.org/1518403004/ )

Reason for revert:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20gc%20stress/builds/4780/steps/Mjsunit/logs/debug-step-4-in-frame

Original issue's description:
> [debugger] re-enable step in frame test.
>
> Issue has long been fixed.
>
> R=jkummerow@chromium.org
> BUG=v8:2921
> LOG=N
>
> Committed: https://crrev.com/f27105b17a23a64faeae33b939555840e388136e
> Cr-Commit-Position: refs/heads/master@{#32862}

TBR=jkummerow@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:2921

Review URL: https://codereview.chromium.org/1522333003

Cr-Commit-Position: refs/heads/master@{#32863}